71742580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39419}}^1$

素因数の和:39448

約数の個数: 48

約数和(自身を含む): 185431680

約数和(自身を除く): 113689100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 39419, 78838, 157676, 197095, 275933, 394190, 512447, 551866, 788380, 1024894, 1103732, 1379665, 2049788, 2562235, 2759330, 3587129, 5124470, 5518660, 7174258, 10248940, 14348516, 17935645, 35871290, 71742580]

約数ペア:

[(1, 71742580), (2, 35871290), (4, 17935645), (5, 14348516), (7, 10248940), (10, 7174258), (13, 5518660), (14, 5124470), (20, 3587129), (26, 2759330), (28, 2562235), (35, 2049788), (52, 1379665), (65, 1103732), (70, 1024894), (91, 788380), (130, 551866), (140, 512447), (182, 394190), (260, 275933), (364, 197095), (455, 157676), (910, 78838), (1820, 39419)]